Home / 30,994.92-42,773.26-16,847.76

Finding the Fourth Proportional to 30,994.92, 42,773.26 and 16,847.76

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Solution

The fourth proportional to 30,994.92, 42,773.26 and 16,847.76 is: 23,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,994.92 : 42,773.26 = 16,847.76 : x
  2. Step 2: Convert to fraction form
    30,994.92/42,773.26 = 16,847.76/x
  3. Step 3: Cross multiply
    30,994.92x = 42,773.26 × 16,847.76
  4. Step 4: Simplify right side
    30,994.92x = 720,633,618.90
  5. Step 5: Solve for x
    x = 720,633,618.90/30,994.92
  6. Step 6: Final answer
    x = 23,250.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.